From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59A00C433E1 for ; Fri, 17 Jul 2020 16:32:36 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 242F2206BE for ; Fri, 17 Jul 2020 16:32:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="UwmCkwn4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 242F2206BE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:44502 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jwTHn-0004Z7-9P for qemu-devel@archiver.kernel.org; Fri, 17 Jul 2020 12:32:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36048) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jwTG7-0003Nc-0a for qemu-devel@nongnu.org; Fri, 17 Jul 2020 12:30:51 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:29870 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jwTG4-0003sQ-4Z for qemu-devel@nongnu.org; Fri, 17 Jul 2020 12:30:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1595003446; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references; bh=YMMTDylHfts8r1On+wbI9MPNF5XGAbttt4ct4kdO46s=; b=UwmCkwn4AxooEInJi7RGgSqiSZwMT0G8GU/pTN9df9cfl24xMLq0tUNfpCTmsr36j3L0bM GI+M+HMCQ23XkK8gQUxrXpY2H7kKF8ajpYivYU60/AjHMaaLZzberhvJOb1X50C+uF+jLT rrSzc4TNqKOhdhn/B1qf2gX9kEiKQ4w= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-112-JyjhlAOHPUqf5zxnslvUoA-1; Fri, 17 Jul 2020 12:30:44 -0400 X-MC-Unique: JyjhlAOHPUqf5zxnslvUoA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9F62F80183C; Fri, 17 Jul 2020 16:30:43 +0000 (UTC) Received: from redhat.com (unknown [10.36.110.48]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C6D8A5D9E7; Fri, 17 Jul 2020 16:30:41 +0000 (UTC) Date: Fri, 17 Jul 2020 17:30:38 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Eduardo Habkost Subject: Re: sysbus_create_simple Vs qdev_create Message-ID: <20200717163038.GQ244185@redhat.com> References: <87365t18mp.fsf@dusky.pond.sub.org> <87lfjkvo81.fsf@dusky.pond.sub.org> <20200716222130.GO1274972@habkost.net> <87tuy6k9pa.fsf@dusky.pond.sub.org> <20200717162312.GR1274972@habkost.net> MIME-Version: 1.0 In-Reply-To: <20200717162312.GR1274972@habkost.net> User-Agent: Mutt/1.14.5 (2020-06-23) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Received-SPF: pass client-ip=205.139.110.61; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/17 01:33:03 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Cc: Paolo Bonzini , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Markus Armbruster , Pratik Parvati , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Fri, Jul 17, 2020 at 12:23:12PM -0400, Eduardo Habkost wrote: > On Fri, Jul 17, 2020 at 07:10:57AM +0200, Markus Armbruster wrote: > > Eduardo Habkost writes: > > > > > I'd also note that the use of "parent" in the code is also > > > ambiguous. It can mean: > > > > > > * QOM parent type, i.e. TypeInfo.parent. Related fields: > > > * parent_class members of class structs > > > * parent_obj members of object structs > > > > I hate the use of "parent" and "child" for a super- / subtype relation. > > > > Correcting the terminology there would be short term pain for long term > > gain. Worthwhile? > > I don't know. It looks like the terminology came from GObject. One day I would love it if we got QOM to actually use GObject, so from that POV I'd be inclined to stick with the "parent" term. Personally I've not seen a problem with the term "parent" in this scenario. The class inheritance metaphor maps reasonably clearly to a parent/child metaphor. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|